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Published byEdwina Byrd Modified over 9 years ago
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HTML and the DOM
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What is HTML? Hypertext Interconnected documents Markup Our code goes around our documents Language Yes, it’s programming
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Declarative programming What you want not how you want it
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Imperative programming C/C++ JavaScript Most everything you think of as programming
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Markup We surround our data with tags to declare how they are to be treated.
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This is my first paragraph. In this paragraph some parts need to be emphasized. This is the first item in a list The browser wouldn’t know it’s a list Except for the tags around this text
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HyperText The text documents are interconnected inside the text
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Anchor tag Check out some document!
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Hyper === interconnected Hypertext markup language Hyper reference Hypertext transfer protocol
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So what is HTML? A way of defining the *structure* of a document.
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Document Object Model The in-memory model of an HTML Document
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This is the DOM
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Another View of the DOM
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The DOM is a tree The file system is a tree The filesystem is a tree made up of files and directories. The DOM is a tree The DOM is a tree made up of text nodes and HTML Element nodes (tags)
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2 Types of Tags get Rendered 1.Block Tags 2.Inline Tags
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Let’s take a look at some code See basicpage.html demo.
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HTML is not where we change font, colours, sizes, etc. HTML is about STRUCTURE.
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